Protective case



FIG. 1 is a front perspective view of a protective case.

FIG. 2 is a back perspective view thereof.

FIG. 3 is a top plan view thereof.

FIG. 4 is a bottom plan view thereof.

FIG. 5 is a left side view thereof.

FIG. 6 is a right side view thereof.

FIG. 7 is a front view thereof; and,

FIG. 8 is a back view thereof.

The broken lines represent environment and the boundary line represents the boundary of the claim. Neither of which form any part of the claim. 

CLAIM The ornamental design for a protective case, as shown and described. 